After many failures because of broken libraries I managed to decrypt
my problematic TLS sessions providing the private key of kamailio to
wireshark.
With TLS+SRTP enabled my nokia phones send session progress and pracks
with rtp port. This breaks NAT/rtpproxy in kamailio, which replaces
the rtpproxy port in session progress, but then forgets about it for
the 200 OK.
Attached is a tree overview and the conversations of each phone with kamailio.
hiro
|Time | 192.168.5.86 | 192.168.5.149
|
| | | kamailio-ip |
|9.737280 | INVITE | | |SIP
From: <sips:8@kamailio-domain To:<sips:3@kamailio-domain
| |(51151) ------------------> (5061) | |
|10.224330| 407 Proxy Authentication Required |
|SIP Status
| |(51151) <------------------ (5061) | |
|10.245086| ACK | | |SIP
Request
| |(51151) ------------------> (5061) | |
|10.306416| INVITE | | |SIP
From: <sips:8@kamailio-domain To:<sips:3@kamailio-domain
| |(51151) ------------------> (5061) | |
|10.358255| 100 trying -- your call is important to us |
|SIP Status
| |(51151) <------------------ (5061) | |
|10.363237| | INVITE SDP () |SIP
Request
| | |(5061) ------------------> (59293) |
|10.558970| | 100 Trying| |SIP
Status
| | |(5061) <------------------ (59293) |
|11.119249| | 183 Session Progress |SIP
Status
| | |(5061) <------------------ (59293) |
|11.246997| 183 Session Progress SDP () |
|SIP Status
| |(51151) <------------------ (5061) | |
|11.583092| PRACK | | |SIP
Request
| |(51151) ------------------> (5061) | |
|11.717971| | PRACK SDP () |SIP
Request
| | |(5061) ------------------> (59293) |
|11.940783| | 200 OK | |SIP
Status
| | |(5061) <------------------ (59293) |
|11.992804| | 180 Ringing |SIP
Status
| | |(5061) <------------------ (59293) |
|12.005967| 200 OK SDP () | |SIP
Status
| |(51151) <------------------ (5061) | |
|12.039001| 180 Ringing | |SIP
Status
| |(51151) <------------------ (5061) | |
|12.052879| SRTP (AMR-WB) | |SRTP Num
packets:1 Duration:0.000s SSRC:0x381DBA9F
| |(49152) ------------------> (49246) | |
|13.363596| | 200 OK | |SIP
Status
| | |(5061) <------------------ (59293) |
|13.432772| 200 OK | | |SIP
Status
| |(51151) <------------------ (5061) | |
|13.600600| ACK | | |SIP
Request
| |(51151) ------------------> (5061) | |
|13.675750| | ACK | |SIP
Request
| | |(5061) ------------------> (59293) |
|19.807564| | BYE | |SIP
Request
| | |(5061) <------------------ (59293) |
|19.876545| BYE | | |SIP
Request
| |(51151) <------------------ (5061) | |
|20.029472| 200 OK | | |SIP
Status
| |(51151) ------------------> (5061) | |
|20.095618| | 200 OK | |SIP
Status
| | |(5061) ------------------> (59293) |
INVITE sips:fiSWDAVNMudB0W2cxgpS@192.168.5.149:5061 SIP/2.0
Record-Route:
<sips:kamailio-ip:5061;transport=tls;lr=on;ftag=gd8h3hj4m1hc6aa007r8;nat=yes>
Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bK4a76.f9b14487.0;i=1
Via: SIP/2.0/TLS
192.168.5.86:5061;received=dyn-ip;branch=z9hG4bKa5c6nckkbpgklpom273bgar;rport=38059
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
To: <sips:3@kamailio-domain>
Contact: <sips:r8J23Mj4ovzZsBJF7Aso@192.168.5.86:5061;alias=dyn-ip~38059~3>
Supported: precondition,100rel,timer
CSeq: 108850 INVITE
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
Allow: UPDATE,PRACK,SUBSCRIBE,REFER,NOTIFY,INVITE,ACK,CANCEL,OPTIONS,BYE
User-Agent: Nokia RM-530 091.004 (en)
Expires: 120
Privacy: None
Session-Expires: 1800
Max-Forwards: 16
Content-Type: application/sdp
Accept-Language: en
Content-Length: 695
v=0
o=8 63546067107237000 63546067107237000 IN IP4 kamailio-ip
s=-
c=IN IP4 kamailio-ip
t=0 0
m=audio 49182 RTP/SAVP 100 0 8 97 18 98 13
a=sendrecv
a=crypto xxx
a=crypto xxx
a=curr:sec e2e none
a=des:sec optional e2e sendrecv
a=rtpmap:100 AMR-WB/16000
a=ptime:20
a=maxptime:200
a=fmtp:100 mode-change-period=2; mode-change-neighbor=1
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:97 iLBC/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:98 telephone-event/8000
a=fmtp:98 0-15
a=rtpmap:13 CN/8000
a=nortpproxy:yes
SIP/2.0 100 Trying
Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bK4a76.f9b14487.0;i=1,SIP/2.0/TLS
192.168.5.86:5061;received=dyn-ip;branch=z9hG4bKa5c6nckkbpgklpom273bgar;rport=38059
To: <sips:3@kamailio-domain>
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108850 INVITE
Content-Length: 0
SIP/2.0 183 Session Progress
Record-Route:
<sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=gd8h3hj4m1hc6aa007r8;nat=yes>
Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bK4a76.f9b14487.0;i=1,SIP/2.0/TLS
192.168.5.86:5061;received=dyn-ip;branch=z9hG4bKa5c6nckkbpgklpom273bgar;rport=38059
Require: 100rel,precondition
Contact: <sips:fiSWDAVNMudB0W2cxgpS@192.168.5.149:5061>
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
To: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
Supported: precondition,100rel
RSeq: 4294967
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108850 INVITE
Allow: UPDATE,PRACK,SUBSCRIBE,REFER,NOTIFY,INVITE,ACK,CANCEL,OPTIONS,BYE
Content-Type: application/sdp
Content-Length: 477
v=0
o=3 63546070607627125 63546070607627125 IN IP4 192.168.5.149
s=-
c=IN IP4 192.168.5.149
t=0 0
m=audio 4000 RTP/SAVP 100 98 13
a=sendrecv
a=crypto xxx
a=curr:sec e2e recv
a=des:sec mandatory e2e sendrecv
a=conf:sec e2e sendrecv
a=rtpmap:100 AMR-WB/16000
a=ptime:20
a=maxptime:200
a=fmtp:100 mode-set=0,1,2,3,4,5,6,7,8
a=rtpmap:98 telephone-event/8000
a=fmtp:98 0-15
a=rtpmap:13 CN/8000
PRACK sips:fiSWDAVNMudB0W2cxgpS@192.168.5.149:5061 SIP/2.0
Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bK5a76.2eb7f802.0;i=1
Via: SIP/2.0/TLS
192.168.5.86:5061;received=dyn-ip;branch=z9hG4bK70u13hgcblhc7gj00fntl6g;rport=38059
Require: precondition
To: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
RAck: 4294967 108850 INVITE
Supported: precondition,timer
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108851 PRACK
User-Agent: Nokia RM-530 091.004 (en)
Expires: 120
Privacy: None
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
Session-Expires: 1800
Max-Forwards: 16
Proxy-Authorization: xxx
Content-Type: application/sdp
Accept-Language: en
Content-Length: 473
v=0
o=8 63546067107237000 63546067107237001 IN IP4 192.168.5.86
s=-
c=IN IP4 192.168.5.86
t=0 0
m=audio 49152 RTP/SAVP 100 98 13
a=sendrecv
a=crypto xxx
a=curr:sec e2e sendrecv
a=des:sec mandatory e2e sendrecv
a=rtpmap:100 AMR-WB/16000
a=ptime:20
a=maxptime:200
a=fmtp:100 mode-change-period=2; mode-change-neighbor=1
a=rtpmap:98 telephone-event/8000
a=fmtp:98 0-15
a=rtpmap:13 CN/8000
SIP/2.0 200 OK
Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bK5a76.2eb7f802.0;i=1,SIP/2.0/TLS
192.168.5.86:5061;received=dyn-ip;branch=z9hG4bK70u13hgcblhc7gj00fntl6g;rport=38059
To: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108851 PRACK
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
Content-Type: application/sdp
Content-Length: 456
SIP/2.0 180 Ringing
Record-Route:
<sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=gd8h3hj4m1hc6aa007r8;nat=yes>
Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bK4a76.f9b14487.0;i=1,SIP/2.0/TLS
192.168.5.86:5061;received=dyn-ip;branch=z9hG4bKa5c6nckkbpgklpom273bgar;rport=38059
To: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
Contact: <sips:fiSWDAVNMudB0W2cxgpS@192.168.5.149:5061>
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
Supported: precondition,100rel
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108850 INVITE
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
Content-Length: 0
SIP/2.0 200 OK
Record-Route:
<sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=gd8h3hj4m1hc6aa007r8;nat=yes>
Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bK4a76.f9b14487.0;i=1,SIP/2.0/TLS
192.168.5.86:5061;received=dyn-ip;branch=z9hG4bKa5c6nckkbpgklpom273bgar;rport=38059
Require: timer
To: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
Contact: <sips:fiSWDAVNMudB0W2cxgpS@192.168.5.149:5061>
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
Supported: precondition,timer
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108850 INVITE
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
Session-Expires: 1800;refresher=uas
Content-Length: 0
ACK sips:fiSWDAVNMudB0W2cxgpS@192.168.5.149:5061 SIP/2.0
Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bKcydzigwkX;i=1
Via: SIP/2.0/TLS
192.168.5.86:5061;received=dyn-ip;branch=z9hG4bKhpavga87omut3pom2734b4j;rport=38059
To: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108850 ACK
Supported: sec-agree
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,INVITE,ACK,CANCEL,OPTIONS,BYE
Max-Forwards: 16
Proxy-Authorization: xxx
Content-Length: 0
BYE sips:r8J23Mj4ovzZsBJF7Aso@192.168.5.86:5061;alias=dyn-ip~38059~3 SIP/2.0
Route:
<sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=gd8h3hj4m1hc6aa007r8;nat=yes>
Via: SIP/2.0/TLS 192.168.5.149:5061;branch=z9hG4bK2kv8jaj29lhc7fcc0obfcat;rport
To: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
From: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 1 BYE
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,INVITE,ACK,CANCEL,OPTIONS,BYE
Max-Forwards: 70
Content-Length: 0
SIP/2.0 200 OK
Via: SIP/2.0/TLS
192.168.5.149:5061;received=dyn-ip;branch=z9hG4bK2kv8jaj29lhc7fcc0obfcat;rport=34470
To: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
From: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 1 BYE
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
Content-Length: 0
INVITE sips:3@kamailio-domain SIP/2.0
Via: SIP/2.0/TLS 192.168.5.86:5061;branch=z9hG4bKa5c6nckkbpgklpom273bgar;rport
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
To: <sips:3@kamailio-domain>
Contact: <sips:r8J23Mj4ovzZsBJF7Aso@192.168.5.86:5061>
Supported: precondition,100rel,timer
CSeq: 108850 INVITE
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
Allow: UPDATE,PRACK,SUBSCRIBE,REFER,NOTIFY,INVITE,ACK,CANCEL,OPTIONS,BYE
User-Agent: Nokia RM-530 091.004 (en)
Expires: 120
Privacy: None
Session-Expires: 1800
Max-Forwards: 70
Proxy-Authorization: xxx
Content-Type: application/sdp
Accept-Language: en
Content-Length: 673
v=0
o=8 63546067107237000 63546067107237000 IN IP4 192.168.5.86
s=-
c=IN IP4 192.168.5.86
t=0 0
m=audio 49152 RTP/SAVP 100 0 8 97 18 98 13
a=sendrecv
a=crypto xxx
a=crypto xxx
a=curr:sec e2e none
a=des:sec optional e2e sendrecv
a=rtpmap:100 AMR-WB/16000
a=ptime:20
a=maxptime:200
a=fmtp:100 mode-change-period=2; mode-change-neighbor=1
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:97 iLBC/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:98 telephone-event/8000
a=fmtp:98 0-15
a=rtpmap:13 CN/8000
SIP/2.0 100 trying -- your call is important to us
Via: SIP/2.0/TLS
192.168.5.86:5061;branch=z9hG4bKa5c6nckkbpgklpom273bgar;rport=38059;received=dyn-ip
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
To: <sips:3@kamailio-domain>
CSeq: 108850 INVITE
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
Server: kamailio (4.0.3 (x86_64/linux))
Content-Length: 0
SIP/2.0 183 Session Progress
Record-Route:
<sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=gd8h3hj4m1hc6aa007r8;nat=yes>
Via: SIP/2.0/TLS
192.168.5.86:5061;received=dyn-ip;branch=z9hG4bKa5c6nckkbpgklpom273bgar;rport=38059
Require: 100rel,precondition
Contact: <sips:fiSWDAVNMudB0W2cxgpS@192.168.5.149:5061;alias=dyn-ip~34470~3>
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
To: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
Supported: precondition,100rel
RSeq: 4294967
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108850 INVITE
Allow: UPDATE,PRACK,SUBSCRIBE,REFER,NOTIFY,INVITE,ACK,CANCEL,OPTIONS,BYE
Content-Type: application/sdp
Content-Length: 498
v=0
o=3 63546070607627125 63546070607627125 IN IP4 kamailio-ip
s=-
c=IN IP4 kamailio-ip
t=0 0
m=audio 49246 RTP/SAVP 100 98 13
a=sendrecv
a=crypto xxx
a=curr:sec e2e recv
a=des:sec mandatory e2e sendrecv
a=conf:sec e2e sendrecv
a=rtpmap:100 AMR-WB/16000
a=ptime:20
a=maxptime:200
a=fmtp:100 mode-set=0,1,2,3,4,5,6,7,8
a=rtpmap:98 telephone-event/8000
a=fmtp:98 0-15
a=rtpmap:13 CN/8000
a=nortpproxy:yes
PRACK sips:fiSWDAVNMudB0W2cxgpS@192.168.5.149:5061;alias=dyn-ip~34470~3 SIP/2.0
Route:
<sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=gd8h3hj4m1hc6aa007r8;nat=yes>
Via: SIP/2.0/TLS 192.168.5.86:5061;branch=z9hG4bK70u13hgcblhc7gj00fntl6g;rport
Require: precondition
To: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
RAck: 4294967 108850 INVITE
Supported: precondition,timer
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108851 PRACK
User-Agent: Nokia RM-530 091.004 (en)
Expires: 120
Privacy: None
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
Session-Expires: 1800
Max-Forwards: 70
Proxy-Authorization: xxx
Content-Type: application/sdp
Accept-Language: en
Content-Length: 473
v=0
o=8 63546067107237000 63546067107237001 IN IP4 192.168.5.86
s=-
c=IN IP4 192.168.5.86
t=0 0
m=audio 49152 RTP/SAVP 100 98 13
a=sendrecv
a=crypto xxx
a=curr:sec e2e sendrecv
a=des:sec mandatory e2e sendrecv
a=rtpmap:100 AMR-WB/16000
a=ptime:20
a=maxptime:200
a=fmtp:100 mode-change-period=2; mode-change-neighbor=1
a=rtpmap:98 telephone-event/8000
a=fmtp:98 0-15
a=rtpmap:13 CN/8000
SIP/2.0 200 OK
Via: SIP/2.0/TLS
192.168.5.86:5061;received=dyn-ip;branch=z9hG4bK70u13hgcblhc7gj00fntl6g;rport=38059
To: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108851 PRACK
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
Content-Type: application/sdp
Content-Length: 456
v=0
o=3 63546070607627125 63546070607627126 IN IP4 192.168.5.149
s=-
c=IN IP4 192.168.5.149
t=0 0
m=audio 4000 RTP/SAVP 100 98 13
a=sendrecv
a=crypto xxx
a=curr:sec e2e sendrecv
a=des:sec mandatory e2e sendrecv
a=rtpmap:100 AMR-WB/16000
a=ptime:20
a=maxptime:200
a=fmtp:100 mode-set=0,1,2,3,4,5,6,7,8
a=rtpmap:98 telephone-event/8000
a=fmtp:98 0-15
a=rtpmap:13 CN/8000
SIP/2.0 180 Ringing
Record-Route:
<sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=gd8h3hj4m1hc6aa007r8;nat=yes>
Via: SIP/2.0/TLS
192.168.5.86:5061;received=dyn-ip;branch=z9hG4bKa5c6nckkbpgklpom273bgar;rport=38059
To: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
Contact: <sips:fiSWDAVNMudB0W2cxgpS@192.168.5.149:5061;alias=dyn-ip~34470~3>
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
Supported: precondition,100rel
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108850 INVITE
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
Content-Length: 0
SIP/2.0 200 OK
Record-Route:
<sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=gd8h3hj4m1hc6aa007r8;nat=yes>
Via: SIP/2.0/TLS
192.168.5.86:5061;received=dyn-ip;branch=z9hG4bKa5c6nckkbpgklpom273bgar;rport=38059
Require: timer
To: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
Contact: <sips:fiSWDAVNMudB0W2cxgpS@192.168.5.149:5061;alias=dyn-ip~34470~3>
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
Supported: precondition,timer
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108850 INVITE
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
Session-Expires: 1800;refresher=uas
Content-Length: 0
ACK sips:fiSWDAVNMudB0W2cxgpS@192.168.5.149:5061;alias=dyn-ip~34470~3 SIP/2.0
Route:
<sips:kamailio-ip:5061;transport=TLS;lr=on;ftag=gd8h3hj4m1hc6aa007r8;nat=yes>
Via: SIP/2.0/TLS 192.168.5.86:5061;branch=z9hG4bKhpavga87omut3pom2734b4j;rport
To: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
From: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 108850 ACK
Supported: sec-agree
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,INVITE,ACK,CANCEL,OPTIONS,BYE
Max-Forwards: 70
Proxy-Authorization: xxx
Content-Length: 0
BYE sips:r8J23Mj4ovzZsBJF7Aso@192.168.5.86:5061 SIP/2.0
Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bK6195.96383105.0;i=2
Via: SIP/2.0/TLS
192.168.5.149:5061;received=dyn-ip;branch=z9hG4bK2kv8jaj29lhc7fcc0obfcat;rport=34470
To: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
From: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 1 BYE
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,INVITE,ACK,CANCEL,OPTIONS,BYE
Max-Forwards: 16
Content-Length: 0
SIP/2.0 200 OK
Via: SIP/2.0/TLS kamailio-ip:5061;branch=z9hG4bK6195.96383105.0;i=2,SIP/2.0/TLS
192.168.5.149:5061;received=dyn-ip;branch=z9hG4bK2kv8jaj29lhc7fcc0obfcat;rport=34470
To: <sips:8@kamailio-domain>;tag=gd8h3hj4m1hc6aa007r8
From: <sips:3@kamailio-domain>;tag=0v4ahcinbqut39vuh6ldcer2odfsa1dc
Call-ID: b6AhNLSnoIfoug7SwYt0O4B6Zj4mFJ
CSeq: 1 BYE
Allow: INVITE,ACK,CANCEL,OPTIONS,BYE
Content-Length: 0
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